CVE-2024-49761
7.5 · HIGHOverview
CVE-2024-49761 is a high-severity vulnerability affecting ruby-lang rexml. It was published on October 28, 2024 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
REXML is an XML toolkit for Ruby. The REXML gem before 3.3.9 has a ReDoS vulnerability when it parses an XML that has many digits between &# and x...; in a hex numeric character reference (&#x...;). This does not happen with Ruby 3.2 or later. Ruby 3.1 is the only affected maintained Ruby. The REXML gem 3.3.9 or later include the patch to fix the vulnerability.
Remediation
Check the references section for vendor advisories and patches from ruby-lang. Update rexml to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| ruby-lang | rexml | >= 0, < 3.3.9 | Affected |
| ruby-lang | ruby | >= 0, < 3.2.0 | Affected |
References
Frequently Asked Questions
What is CVE-2024-49761?
CVE-2024-49761 is a high-severity vulnerability affecting ruby-lang rexml. It was published on October 28, 2024 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2024-49761?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2024-49761?
Check the references section for vendor advisories and patches from ruby-lang. Update rexml to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2024-49761?
CyberStrike's AI-powered security agents can automatically detect CVE-2024-49761 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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